Mailinglist Archive: opensuse (4288 mails)

[Aaron Kulkis <akulkis00@xxxxxxxxxx>]

Anders Johansson wrote:
> On Tuesday 30 October 2007 14:38:39 Albrecht Mehl wrote:
> > I would like to use my opensuse 10.2 system on a MSI K8N Neo2 Platinum
> > board with a Hitachi SATA 160 GB HDS722516VLSA80 hard disk mostly
> > without the hd running, i.e. I imagine copying the files needed for my
> > daily work at the beginning of a session to a ram disk and then working
> > from there. At the end of such a script the hd will be turned off. But
> > ... I do not know how to accomplish this turning off. So for hints as
> > detailled as possible as to how to turn off the hd in a script I would
> > be very grateful.
>
> I'm not sure if it works for SATA drives, but there is a tool for IDE drives 
> called hdparm, and
>
> hdparm -Y /dev/<device>
>
> will put the disk in sleep mode. The man page says it should work with SATA as 
> well, but I have never tried it. I did try it once with an IDE drive, and 
> then it worked well

Good answer.

That's a much better solution than trying to
permanently turn off the hard drive.

The sleep state induced by hdparm still allows
the disk drive to be used as needed.



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